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Audi S4 Drivetrain Parts & Accessories

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Transmission Mount

ES#2998947 - 8K0399151DB - Transmission Mount - Reduce excessive drivetrain vibrations - Hamburg Tech - Audi Porsche

Reduce excessive drivetrain vibrations We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2998947
Mfg#:
8K0399151DB
In Stock
$55.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit

ES#3647810 - n10037103KT - Manual Transmission Service Kit - Featuring 3 Quarts of Redline MT-90 fluid & OEM Drain & Fill Plugs to service your transmission. M22x1.5 - Assembled By ECS - Audi

Featuring 3 Quarts of Redline MT-90 fluid & OEM Drain & Fill Plugs to service your transmission. M22x1.5 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647810
Mfg#:
N10037103KT
In Stock
ON SALE!
$102.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each

ES#4414249 - 017145LA01 - ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each - Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear - ECS - Audi Volkswagen Porsche

Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear 10X Entries For Our 25th Anniversary Sweepstakes!

For axle code letter HNL, HNP, JKN

Brand:
ECS - Corporate Logo
ES#:
4414249
Mfg#:
017145LA01
Ships on Nov 6, 2026
Auto Notify
ON SALE! SAVE 25%
$41.99

This product was last offered at the strikethrough price on
06-13-2026

$31.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Might-As-Well-Be-Gated Kit

ES#4419866 - B8029A1 - Might-As-Well-Be-Gated Kit - This combo all but eliminates shifter slop and flex under load. - JXB Performance - Audi

This combo all but eliminates shifter slop and flex under load.

Brand:
JXB Performance - Corporate Logo
ES#:
4419866
Mfg#:
B8029A1
In Stock at Vendor
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential

ES#2836902 - 40309175WK - Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi Porsche

Put all your power to the ground! Fits 0A3 manual transmission models only

Brand:
Wavetrac - Corporate Logo
ES#:
2836902
Mfg#:
40309175WK
Ships in 3 Business Days
$1695.00 USD
Free Shipping

Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends*

ES#2748767 - n90917801kt - Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends* - Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 - Assembled By ECS - Audi Volkswagen

Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748767
Mfg#:
N90917801KT
In Stock
ON SALE! SAVE 16%
$153.99

This product was last offered at the strikethrough price on
05-02-2026

$129.96 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Paddle Shifter Extension Set - Carbon Fiber - Audi B8/8V/C7

ES#3437461 - 015590ecs01KT - Paddle Shifter Extension Set - Carbon Fiber - Audi B8/8V/C7 - A clamp-on style carbon fiber upgrade featuring a high gloss finish - ECS - Audi

A clamp-on style carbon fiber upgrade featuring a high gloss finish 10X Entries For Our 25th Anniversary Sweepstakes!

Fits facelift (2013+) models equipped with the smaller factory paddle shifter option

Brand:
ECS - Corporate Logo
ES#:
3437461
Mfg#:
015590ECS01KT
Ships on Sep 22, 2026
ON SALE!
$289.99

This product was last offered at the strikethrough price on
06-13-2026

$281.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#2152 - N01473911 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x16 Secures the pressure plate to the flywheel

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2152
Mfg#:
N01473911
In Stock
$4.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Self Locking Differential

ES#2588898 - 0B2409755L - Center Self Locking Differential - Self-locking center differential - Genuine Volkswagen Audi - Audi

Self-locking center differential For models with LPE transmission code, for 6-speed manual transmission models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588898
Mfg#:
0B2409755L
Ships in 9 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1775.99

This product was last offered at the strikethrough price on
02-04-2026

$1685.99 USD
Free Shipping

Bolt - Priced Each

ES#471973 - N91129601 - Bolt - Priced Each - Install new hardware with your new parts. M12x100x90 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x100x90 Used in securing the transmission case to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471973
Mfg#:
N91129601
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$5.58

This product was last offered at the strikethrough price on
07-22-2026

$5.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Flange Shaft Bolt - Priced Each

ES#2766096 - N90441103 - Front Flange Shaft Bolt - Priced Each - Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 - ECS - Audi Volkswagen

Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 10X Entries For Our 25th Anniversary Sweepstakes!

For automatic transmission only

Brand:
ECS - Corporate Logo
ES#:
2766096
Mfg#:
N90441103
In Stock
ON SALE! SAVE 25%
$2.99

This product was last offered at the strikethrough price on
06-13-2026

$2.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Kit - Stage 1

ES#2586444 - SA441 - Clutch Kit - Stage 1 - Features a full faced, steel backed, multi-compound organic lined disc with a torque rating of 430 ft/lbs - Spec Clutches - Audi

Features a full faced, steel backed, multi-compound organic lined disc with a torque rating of 430 ft/lbs Recommended to be used with Spec single mass flywheel SA44S

Brand:
Spec Clutches - Corporate Logo
ES#:
2586444
Mfg#:
SA441
Ships in 4 Business Days
$819.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Bolt Backing Plate - Priced Each

ES#315854 - 1K0407357C - Axle Bolt Backing Plate - Priced Each - Sits behind axle bolts to allow for proper distribution of torque - Genuine Volkswagen Audi - Audi Volkswagen

Sits behind axle bolts to allow for proper distribution of torque

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315854
Mfg#:
1K0407357C
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Wheel Bearing Kit

ES#3651356 - 4h049862512aKT - Complete Wheel Bearing Kit - All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle - Vaico - Audi

All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3651356
Mfg#:
4H049862512AKT
In Stock at Vendor
$1683.99

This product was last offered at the strikethrough price on
05-07-2026

$1635.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#2593469 - 0AR409399BKT - Rear Differential Service Kit - Complete kit with OE fluid to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with OE fluid to service your rear differential For vehicles without Torque Vectoring differentials

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593469
Mfg#:
0AR409399BKT
In Stock
$110.99

This product was last offered at the strikethrough price on
02-24-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Complete Wheel Bearing Kit

ES#3651354 - 4h0498625fKT - Complete Wheel Bearing Kit - All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle - Genuine Volkswagen Audi - Audi

All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3651354
Mfg#:
4H0498625FKT
Ships in 3 Business Days
$1628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Drivetrain Parts & Accessories

Put your power to the wheels where it belongs, and keep drivetrain components mounted securely for comfort and safety. Our Drivetrain Components Section has a huge assortment of parts and fluids for transmissions, differentials, driveshafts, drivetrain mounts, drivetrain bushings, and drive hubs, plus special tools to make repairs easy.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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